Items where authors include "Copas, A.J."

Article

Marsden, L.E., Surr, C.A., Griffiths, A.W. orcid.org/0000-0001-9388-9168 et al. (3 more authors) (2025) Different types of cluster membership in parallel-group cluster-randomised trials, where the clusters are institutions: a classification system to aid identification, with six proposed designs. Trials, 26. 380. ISSN 1745-6215

Marsden, L.E., Surr, C.A., Griffiths, A.W. et al. (3 more authors) (2025) Different types of cluster membership in parallel-group cluster-randomised trials, where the clusters are institutions: A classification system to aid identification, with six proposed designs. Trials. ISSN 1745-6215 (In Press)

Boshier, F.A.T., Venturini, C., Stirrup, O. et al. (42 more authors) (2021) The Alpha variant was not associated with excess nosocomial SARS-CoV-2 infection in a multi-centre UK hospital study. Journal of Infection, 83 (6). pp. 693-700. ISSN 0163-4453